code: def __init__(self) -> None:
      self.var = tf.Variable([1.0])
      shift = tf.Variable(1e-6)
      self.bijector = tfp.bijectors.Chain(
          [tfp.bijectors.Softplus(), tfp.bijectors.Shift(shift)]
      )
  
imports: import copy
  import pickle
  from typing import Any, Type
  import pytest
  import tensorflow
  import tensorflow_probability
  from check_shapes import check_shapes
  from packaging.version import Version
  import gpflow
  from gpflow.base import TensorType
label_desc: Use image node_id 1 to create a new A object from inherited base classes: tf with example: obj = A()